[INFO] cloning repository https://github.com/JacksonRG/MyRustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JacksonRG/MyRustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonRG%2FMyRustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonRG%2FMyRustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f61db5dbe38538cf06571fcdd5f806e7901e83a
[INFO] checking JacksonRG/MyRustlings against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJacksonRG%2FMyRustlings" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JacksonRG/MyRustlings on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JacksonRG/MyRustlings
[INFO] finished tweaking git repo https://github.com/JacksonRG/MyRustlings
[INFO] tweaked toml for git repo https://github.com/JacksonRG/MyRustlings written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/JacksonRG/MyRustlings already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f894cbdcf1634cccc659fbf78f4d4a31a5516073cf564b31c90d844b0d10f5e
[INFO] running `Command { std: "docker" "start" "-a" "9f894cbdcf1634cccc659fbf78f4d4a31a5516073cf564b31c90d844b0d10f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f894cbdcf1634cccc659fbf78f4d4a31a5516073cf564b31c90d844b0d10f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f894cbdcf1634cccc659fbf78f4d4a31a5516073cf564b31c90d844b0d10f5e", kill_on_drop: false }`
[INFO] [stdout] 9f894cbdcf1634cccc659fbf78f4d4a31a5516073cf564b31c90d844b0d10f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 176906ec847900ec91b1f9eb644b87d8664e5118b5333ab2ca76a5957efb2d51
[INFO] running `Command { std: "docker" "start" "-a" "176906ec847900ec91b1f9eb644b87d8664e5118b5333ab2ca76a5957efb2d51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "176906ec847900ec91b1f9eb644b87d8664e5118b5333ab2ca76a5957efb2d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176906ec847900ec91b1f9eb644b87d8664e5118b5333ab2ca76a5957efb2d51", kill_on_drop: false }`
[INFO] [stdout] 176906ec847900ec91b1f9eb644b87d8664e5118b5333ab2ca76a5957efb2d51